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Table Of Contents
R01UH0823EJ0110 Rev.1.10 Page 468 of 1852
Nov 30, 2020
RX23W Group 22. Multi-Function Pin Controller (MPC)
22.2.4 P2n Pin Function Control Register (P2nPFS) (n = 1, 2, 5 to 7)
—: Do not specify this value.
—: Do not specify this value.
Address(es): P21PFS 0008 C151h, P22PFS 0008 C152h, P25PFS 0008 C155h, P26PFS 0008 C156h,
P27PFS 0008 C157h
b7 b6 b5 b4 b3 b2 b1 b0
ASEL PSEL[4:0]
Value after reset:
00000000
Bit Symbol Bit Name Description R/W
b4 to b0 PSEL[4:0] Pin Function Select These bits select the peripheral function. For individual pin functions,
see the tables below.
R/W
b6, b5 Reserved These bits are read as 0. The write value should be 0. R/W
b7 ASEL Analog Function Select 0: Used other than as analog pin
1: Used as analog pin
P26: CMPB3 (85/83/56 pins)
P27: CVREFB3 (85/83/56 pins)
R/W
Table 22.4 Register Settings for Input/Output Pin Function in 85-Pin and 83-Pin
PSEL[4:0]
Settings
Pin
P21 P22 P25 P26 P27
00000b
(initial value)
Hi-Z
00001b MTIOC1B MTIOC3B MTIOC4C MTIOC2A MTIOC2B
00010b MTCLKC MTCLKB
00011b TIOCA3 TIOCC3 TIOCA4
00101b TMCI0 TMO0 TMO1 TMCI3
01001b ADTRG0#
01010b ———TXD1
SMOSI1
SSDA1
SCK1
10001b USB0_EXICEN USB0_OVRCURB USB0_VBUSEN
10111b SSIWS0 AUDIO_MCLK SSIRXD0 SSIWS0
11001b TS8 TS7 TS4 TS3 TS2
Table 22.5 Register Settings for Input/Output Pin Function in 56-Pin
PSEL[4:0]
Settings
Pin
P26 P27
00000b
(initial value)
Hi-Z
00001b MTIOC2A MTIOC2B
00101b TMO1 TMCI3
01010b TXD1
SMOSI1
SSDA1
SCK1
10001b USB0_VBUSEN
10111b SSIRXD0 SSIWS0
11001b TS3 TS2